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Ergotron LX Monitor Arm vs Logitech MX Master 3S

Derek's comparison  ·  June 2026  ·  Last verified June 2026
Derek's Quick Verdict

Ergotron LX Monitor Arm (9.6/10) wins for most people. Logitech MX Master 3S wins for a specific profile.

Side-by-Side Comparison

Winner
Ergotron LX Monitor Arm
9.6
Fee: $130 one-time
Best monitor arm
Full review →
Runner-Up
Logitech MX Master 3S
9.2
Fee: $100 one-time
Best mouse
Full review →

Who Should Choose Ergotron LX Monitor Arm

Single monitor setup — 4 years of daily use. Highest ROI desk purchase. 4 years, zero required adjustments.

Buy on Amazon →

Who Should Choose Logitech MX Master 3S

Knowledge workers using mouse 6+ hours daily. Silent click changed the category. 4-year evaluation across 3 generations.

Buy on Amazon →

Derek's Final Verdict

Ergotron LX Monitor Arm is Derek's recommendation for most people reading this comparison. Score: 9.6/10. Highest ROI desk purchase. 4 years, zero required adjustments.

Logitech MX Master 3S (9.2/10) is the right choice for a specific situation: knowledge workers using mouse 6+ hours daily. If that describes you, the full review has the complete math.

Frequently Asked Questions

Which is better: Ergotron LX Monitor Arm or Logitech MX Master 3S?
Ergotron LX Monitor Arm (9.6/10) wins for most people. Highest ROI desk purchase. 4 years, zero required adjustments. Logitech MX Master 3S is the right choice if: knowledge workers using mouse 6+ hours daily.
What is Derek's score for Ergotron LX Monitor Arm?
Derek rates Ergotron LX Monitor Arm 9.6/10. Verdict: Highest ROI desk purchase. 4 years, zero required adjustments.
What is Derek's score for Logitech MX Master 3S?
Derek rates Logitech MX Master 3S 9.2/10. Verdict: Silent click changed the category. 4-year evaluation across 3 generations.
Who should choose Ergotron LX Monitor Arm?
Single monitor setup — 4 years of daily use.
Who should choose Logitech MX Master 3S?
Knowledge workers using mouse 6+ hours daily.
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Head to head, by the numbers

Ergotron LX Single Monitor ArmLogitech MX Master 3S
Derek's score9.6/109.2/10
Price
Top strengthZero drift in 4 years of daily useSilent click removes noise from shared environments
Biggest drawbackHigher upfront cost than budget alternativesRight-handed only — no left-handed version

The case for Ergotron LX Single Monitor Arm

The case for Logitech MX Master 3S

Bottom line

Ergotron LX Single Monitor Arm takes this one on the numbers (9.6/10 vs 9.2/10). Four years of daily use. Zero required adjustments since initial positioning. The highest-return setup purchase available.

That said, Logitech MX Master 3S isn't a loser — it's a different answer. Derek's daily driver for four years across three mouse generations. The 3S refinements are the ones that mattered.

Read the full breakdowns: Ergotron LX Single Monitor Arm review · Logitech MX Master 3S review · all rankings.